Patents by Inventor Tomoaki Takahashi

Tomoaki Takahashi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11205974
    Abstract: A piezoelectric driving device includes a first substrate having cleavability, and a piezoelectric element placed above the first substrate, wherein a cleavage direction of the first substrate and a direction in which a shear force is applied do not coincide in a plan view of the first substrate. Further, an angle formed by the cleavage direction of the first substrate and the direction in which the shear force is applied is equal to or larger than 20° in the plan view of the first substrate. Furthermore, the first substrate contains silicon single crystal.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: December 21, 2021
    Inventors: Yutaka Arakawa, Akio Konishi, Tomoaki Takahashi
  • Patent number: 11165986
    Abstract: A data transfer apparatus comprises an interface configured to connect to an external apparatus, a transfer unit configured to transfer image data to the external apparatus connected by the interface, a recording unit configured to generate and record the image data and information indicating a transfer state of the image data, and a control unit configured to control so as to transfer the image data and related data associated with the image data. The recording unit is configured to, with respect to image data that has already been transferred, if related data associated with the image data has been edited, generate and record information indicating a transfer state of the edited related data.
    Type: Grant
    Filed: April 1, 2020
    Date of Patent: November 2, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Tomoaki Takahashi
  • Publication number: 20210288594
    Abstract: A piezoelectric drive device includes a piezoelectric element, a vibrating plate with a concave portion provided in a side surface, and a projecting portion provided between two side surfaces of the concave portion and having a spherical shape, an elliptical shape, or an egg shape, wherein a plurality of the piezoelectric elements and a plurality of the vibrating plates are stacked, and the concave portion includes a bottom surface.
    Type: Application
    Filed: March 11, 2021
    Publication date: September 16, 2021
    Inventor: Tomoaki TAKAHASHI
  • Patent number: 11102396
    Abstract: An electronic device sets, in accordance with a use operation, which one of a plurality of objects is to be used to display a specific setting item on a setting screen. The plurality of objects include a first object and a second object whose display size, information amount to be displayed, and number of types of operable setting values are larger than the first object. In case where the first object is displayed on the setting screen, the electronic device changes a first setting value concerning the specific setting item in accordance with an operation on one of a first or second operation member. In case where the second object is displayed on the setting screen, the electronic device changes the first and second setting values in accordance with the operations on the first and second operation members, respectively.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: August 24, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Seiji Kobayashi, Yuko Izaki, Makoto Kameyama, Kazutaka Kondo, Tomoaki Takahashi
  • Patent number: 11085434
    Abstract: Provided is a liquid pump configured to suppress discharge of air from an air pool formed in a discharge-side tank. A discharge-side tank part formed in a housing has a first inner wall surface and a second inner wall surface facing each other in a horizontal direction in an installed position of the liquid pump. The first inner wall surface is formed with a discharge port, and the second inner wall surface is formed with an opening of a discharge-side communicating passage. An air pool is formed in a space in the discharge-side tank part above the opening of the discharge-side communicating passage and the discharge port. A circular cylindrical partition is provided in the discharge-side tank part. The circular cylindrical partition projects from the second inner wall surface toward the first inner wall surface with at least a portion of the cylindrical partition positioned above the opening of the discharge-side communicating passage so as to cover the opening as seen from the air pool side.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: August 10, 2021
    Assignee: NITTO KOHKI CO., LTD.
    Inventors: Tomoaki Takahashi, Yasumasa Ooki
  • Patent number: 11050943
    Abstract: An electronic apparatus includes: a connecting unit (connector) that connects with an external apparatus; a setting unit sets a connection mode to any of a plurality of connection modes, including a first connection mode in which an image having a gradation resolution which is not higher than a first gradation resolution is outputted, and a second connection mode in which an image having a gradation resolution which is higher than the first gradation resolution is outputted; and a control unit controls so that in a case where the connection is in the second connection mode and an instruction to switch a first screen including a captured image to a second screen not including a captured image is received, the set connection mode is switched from the second connection mode to the first connection mode, and the second screen is outputted from the connecting unit.
    Type: Grant
    Filed: April 1, 2020
    Date of Patent: June 29, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Emi Kondo, Tatsuya Nishiguchi, Tomoaki Takahashi, Yosuke Takagi
  • Patent number: 11038509
    Abstract: A circuit device includes an oscillation circuit and a processing circuit. The oscillation circuit includes a variable capacitance circuit configured by a capacitor array and oscillates at an oscillation frequency corresponding to the capacitance value of the variable capacitance circuit. First temperature data and second temperature data subsequent to the first temperature data are input to the processing circuit as temperature data. In the period between the start of the capacitance control based on the first temperature data and the start of the capacitance control based on the second temperature data, the processing circuit switches the first capacitance control data corresponding to the first temperature data and the second capacitance control data different from the first capacitance control data in a time-division manner to be output to the variable capacitance circuit.
    Type: Grant
    Filed: August 21, 2020
    Date of Patent: June 15, 2021
    Inventors: Tomoaki Takahashi, Yasuhiro Sudo
  • Patent number: 10986280
    Abstract: An electronic apparatus includes: a connecting unit (connector) that connects with an external apparatus; a setting unit sets a connection mode to any of a plurality of connection modes, including a first connection mode in which an image having a gradation resolution which is not higher than a first gradation resolution is outputted, and a second connection mode in which an image having a gradation resolution which is higher than the first gradation resolution is outputted; and a control unit controls so that in a case where the connection is in the second connection mode and an instruction to switch a first screen including a captured image to a second screen not including a captured image is received, the set connection mode is switched from the second connection mode to the first connection mode, and the second screen is outputted from the connecting unit.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: April 20, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Emi Kondo, Tatsuya Nishiguchi, Tomoaki Takahashi, Yosuke Takagi
  • Patent number: 10972674
    Abstract: An electronic apparatus includes: a converting unit that converts a first type of image into a converted image; a connecting unit that connects with an external apparatus; a setting unit that sets a connection mode; and a control unit that controls so that in a case where the connection is in a first connection mode, the first type of image is outputted from the connecting unit without converting the first type of image by the converting unit, and in a case where the connection is in a second connection mode, the first type of image is converted by the converting unit, and is outputted from the connecting unit, wherein source of the image to be outputted from the connecting unit can be switched from a second type of image to the first type of image, while maintaining the connection in the second connection mode.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: April 6, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Tatsuya Nishiguchi, Emi Kondo, Tomoaki Takahashi, Yosuke Takagi
  • Publication number: 20210091684
    Abstract: A piezoelectric actuator includes a vibrating section including a piezoelectric element, a distal end face, and a recess opened on the distal end face and a protrusion section including a base that overlaps the recess in plan view of the distal end face and is fixed to the distal end face and a projection that is provided in the base and projects in an opposite direction of the distal end face, the protrusion section transmitting a driving force of the vibrating section to a driven section. In plan view of the distal end face, the projection is disposed within a range of the recess.
    Type: Application
    Filed: September 23, 2020
    Publication date: March 25, 2021
    Inventor: Tomoaki TAKAHASHI
  • Patent number: 10957842
    Abstract: A piezoelectric drive device includes first and second piezoelectric vibration modules pressed toward a driven portion and including a vibration portion and a transmission portion abutting the driven portion and transmitting vibration to the driven portion and a controller. A pressing force of the second module to the driven portion is greater than that of the first module. The controller drives the second module so that the transmission portion of the second module performs longitudinal vibration vibrating in the pressing direction while driving the first module so that the transmission portion of the first module performs bending vibration that is a composite of longitudinal vibration in a pressing direction and lateral vibration intersecting the pressing direction.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: March 23, 2021
    Inventor: Tomoaki Takahashi
  • Publication number: 20210063451
    Abstract: A frequency measurement circuit includes a first counter that counts a pulse number of a reference clock signal and generates first count data, a second counter that counts a pulse number of a measurement target clock signal and generates second count data, a time-to-digital conversion circuit that generates first time difference data indicating a time difference between a first timing at which the first counter starts counting of the pulse number and a second timing at which the second counter starts counting of the pulse number, and second time difference data indicating a time difference between a third timing at which the first counter ends counting of the pulse number and a fourth timing at which the second counter ends counting of the pulse number, and a calculation circuit that performs calculation based on the second count data, the first time difference data, and the second time difference data and generates frequency data indicating a frequency of the measurement target clock signal.
    Type: Application
    Filed: August 26, 2020
    Publication date: March 4, 2021
    Inventors: Tomoaki TAKAHASHI, Hideo HANEDA, Yasuhiro SUDO
  • Publication number: 20210058088
    Abstract: A circuit device includes an oscillation circuit and a processing circuit. The oscillation circuit includes a variable capacitance circuit configured by a capacitor array and oscillates at an oscillation frequency corresponding to the capacitance value of the variable capacitance circuit. First temperature data and second temperature data subsequent to the first temperature data are input to the processing circuit as temperature data. In the period between the start of the capacitance control based on the first temperature data and the start of the capacitance control based on the second temperature data, the processing circuit switches the first capacitance control data corresponding to the first temperature data and the second capacitance control data different from the first capacitance control data in a time-division manner to be output to the variable capacitance circuit.
    Type: Application
    Filed: August 21, 2020
    Publication date: February 25, 2021
    Inventors: Tomoaki TAKAHASHI, Yasuhiro SUDO
  • Publication number: 20210004152
    Abstract: An electronic apparatus includes: an operation detection unit configured to detect an operation; and a display control unit configured to perform control so as to execute a first action to continuously change a display target when a specific type of operation is detected, execute a second action which is one of: an action to continuously change the display target at a higher speed than the first action; an action to change the display target by a predetermined amount; and an action to change the display target to a predetermined change destination, when a second type of operation is detected, and display a guidance for the second type of operation at the end of the specific type of operation in a case where the specific type of operation is detected and a predetermined condition is satisfied.
    Type: Application
    Filed: June 30, 2020
    Publication date: January 7, 2021
    Inventors: Ryo Takahashi, Tomoaki Takahashi, Ryu Wakui, Asami Takenaga
  • Publication number: 20200404158
    Abstract: An electronic device controls so that before a specific touch operation, a first action is executed to change a specific target in a first direction and at a first speed according to continuation of touch, controls so that when the specific touch operation is performed in a second operation direction before the first action, according to the continuation after that, a second action is executed to change the specific target in a second direction which is opposite to the first direction, and at a second speed which is higher than the first speed, and controls so that when the specific touch operation is performed in the second operation direction during the first action, according to the continuation after that, a third action is executed to change the specific target in the second direction and at a third speed which is lower than the second speed.
    Type: Application
    Filed: June 15, 2020
    Publication date: December 24, 2020
    Inventors: Tomoaki Takahashi, Ryo Takahashi, Ryu Wakui, Asami Takenaga
  • Publication number: 20200336694
    Abstract: A data transfer apparatus comprises an interface configured to connect to an external apparatus, a transfer unit configured to transfer image data to the external apparatus connected by the interface, a recording unit configured to generate and record the image data and information indicating a transfer state of the image data, and a control unit configured to control so as to transfer the image data and related data associated with the image data. The recording unit is configured to, with respect to image data that has already been transferred, if related data associated with the image data has been edited, generate and record information indicating a transfer state of the edited related data.
    Type: Application
    Filed: April 1, 2020
    Publication date: October 22, 2020
    Inventor: Tomoaki Takahashi
  • Patent number: 10739950
    Abstract: An electronic apparatus comprises a registration unit which registers a menu item in a menu having a hierarchical structure, and a display control unit which (i) displays a first-type item and a second-type item as options in a specific layer of the menu, (ii) performs control to display a first menu item in a menu in a lower layer below a layer of the first-type item, the first menu item being used to register a menu item in the same menu and to delete a registered menu item, and (iii) displays a second menu item in a menu in a lower layer below a layer of the second-type item, the second menu item being for deleting a registered menu item that is in the menu in the lower layer below the layer of the first-type item.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: August 11, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Satoshi Watanabe, Emi Kondo, Tomoaki Takahashi
  • Publication number: 20200244860
    Abstract: An electronic apparatus includes: a connecting unit (connector) that connects with an external apparatus; a setting unit sets a connection mode to any of a plurality of connection modes, including a first connection mode in which an image having a gradation resolution which is not higher than a first gradation resolution is outputted, and a second connection mode in which an image having a gradation resolution which is higher than the first gradation resolution is outputted; and a control unit controls so that in a case where the connection is in the second connection mode and an instruction to switch a first screen including a captured image to a second screen not including a captured image is received, the set connection mode is switched from the second connection mode to the first connection mode, and the second screen is outputted from the connecting unit.
    Type: Application
    Filed: April 1, 2020
    Publication date: July 30, 2020
    Inventors: Emi Kondo, Tatsuya Nishiguchi, Tomoaki Takahashi, Yosuke Takagi
  • Patent number: 10658950
    Abstract: A piezoelectric actuator includes a vibrating plate having a piezoelectric material, and a contact part provided in an end portion of the vibrating plate in contact with a driven part, wherein the contact part has a first portion in contact with the driven part and a second portion provided between the first portion and the vibrating plate and having lower rigidity than the first portion. Further, a width of the second portion in a direction crossing an arrangement direction of the first portion and the second portion is smaller than a width of the first portion in the crossing direction.
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: May 19, 2020
    Assignee: Seiko Epson Corporation
    Inventors: Yutaka Arakawa, Tomoaki Takahashi, Noboru Furuya, Yuichiro Tsuyuki
  • Patent number: 10644222
    Abstract: A piezoelectric drive apparatus for a motor, the apparatus including a substrate having a longitudinal direction and a widthwise direction perpendicular to the longitudinal direction, a piezoelectric element provided on the substrate and having a first electrode, a second electrode, and a piezoelectric body positioned between the first electrode and the second electrode, and a contact section that is attached to a front end section of the substrate in the longitudinal direction thereof or in contact with the front end section of the substrate in the longitudinal direction thereof and comes into contact with a driven body, wherein the longitudinal direction of the substrate roughly coincides with a direction in which Young's modulus is minimized in a plane of the substrate.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: May 5, 2020
    Assignee: Seiko Epson Corporation
    Inventor: Tomoaki Takahashi